Sertoli cells are highly specialised epithelial cells that orchestrate sperm production within the seminiferous tubules. They provide structural support, nutritional supply and paracrine signals to ...

A colony of human embryonic stem cells is seen on a computer monitor at the University of Wisconsin–MadisonDarren Hauck / Getty Researchers at Newcastle University in England report they have coaxed ...

Spermatozoa are highly specialised cells equipped to deliver paternal genetic material to the oocyte. Their journey from ejaculation to fertilisation involves precise regulation of motility, surface ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. In an autologous transplant, a patient receives back his or her own cells, whereas in ...